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09-04-2021, 10:15 PM | #1 |
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preferred 2 barrel Y-block intake manifold?
What is the preferred 2 barrel intake for the mid-50's era Y-block? I am assuming it would have the biggest intake runners under the carb. I am referring to OEM cast iron.
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09-04-2021, 10:28 PM | #2 |
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Re: preferred 2 barrel Y-block intake manifold?
You'll likely want one from '57 or newer.
They use the 'newer' four bolt style carburetors, not the '54/'56 three bolt. There is more than one model of them, I'm not familiar with the differences. Here's a list of intake manifold casting numbers: Ford, Truck & Mercury... http://www.y-block.info/casting/intake.html . Last edited by dmsfrr; 09-14-2021 at 11:32 AM. |
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09-05-2021, 10:55 AM | #3 | |
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Re: preferred 2 barrel Y-block intake manifold?
Quote:
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09-06-2021, 05:29 PM | #4 | |
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Re: preferred 2 barrel Y-block intake manifold?
Quote:
Also.....the old "bugsprayer" carbs (Ford EBU, Holley 2100, Holley 2110, EGC etc) are all leakers and so is the Holley1904 single bbl for the 223, I-block 6. Many people have installed supplemental electric bypass fuel pumps to "prime" the carb if the car has been sitting for a few days or long enough for the gas to drain out of the float bowl. There can be complications with a supplemental electric fuel pump installation. Some people have eliminated the mechanical fuel pump altogether and run straight electric fuel pump. I'm not sayin it wont work. It can work and does for many people, but you may want to study on these things further before deciding to stay with the load-o-matic system (3-bolt carb base). There's tons of info in the archives on this site about electric fuel pump installations. Or, you can do what I do. If my car sits for three days, I don't even try to start the engine without first popping the oil bath air-cleaner off the carb and using a tuna can (with a spout bent into the side) about 1/4 full of gas and dumping it down the air-vent tube that goes into the float bowl. That gives the carb enough gas to start and run the engine long enough for the mechanical fuel pump to start filling the float bowl on it's own. And the engine always starts right up. |
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09-06-2021, 09:05 PM | #5 |
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Re: preferred 2 barrel Y-block intake manifold?
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09-07-2021, 08:27 PM | #6 |
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Re: preferred 2 barrel Y-block intake manifold?
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09-12-2021, 06:55 PM | #7 |
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Re: preferred 2 barrel Y-block intake manifold?
So I should be looking for ECG code intake manifold and carburetor? Does the distributor use the same 3 letter code?
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09-13-2021, 10:18 AM | #8 | |
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Re: preferred 2 barrel Y-block intake manifold?
Quote:
The '55 272 two barrel single diaphragm distributor should say on the tag FDJ-12127-C. The '56 272 single diaphragm distributor shoud say FDS-12127-A. Either is good. '55 carb will say ECG5 on the side of the bowl. '56 will also say ECG or ECG6 and will have an automatic choke on the top cover. Sal |
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09-05-2021, 12:07 PM | #9 | |
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Re: preferred 2 barrel Y-block intake manifold?
Quote:
The '57+ intake manifolds with a 4 bolt carburetor flange were built with improved runners and have better air flow characteristics... for the slightly higher horsepower engines available then. Fyi, the '56 and older carburetors are vacuum matched to less desirable Loadomatic distributors for their ignition timing. They aren't the best option. . Last edited by dmsfrr; 09-05-2021 at 07:02 PM. |
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09-05-2021, 04:29 PM | #10 |
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Re: preferred 2 barrel Y-block intake manifold?
The 54/55/56 2-bbl intake manifolds are each different, but will accept a variety of "bugsprayer" type carbs of the era (Ford EBU, Holley 2100, Holley 2110, ECG, etc) as the 3-bolt pattern on each is identical. These are all load-o-matic intake manifolds and must be used with original distributor and load-o-matic style carb as listed above.
The '54 car intake will not fit on an engine with 272, 292 heads. The 1956 intake manifold is the only one that has provision for automatic choke. The 1957 and later intake manifolds are for use with distributors with mechanical advance and matching carburator. |
09-05-2021, 06:55 PM | #11 |
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Re: preferred 2 barrel Y-block intake manifold?
Cars2Cool...May I ask why you are inquiring?
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09-05-2021, 10:39 PM | #12 |
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Re: preferred 2 barrel Y-block intake manifold?
Thanks Gene for asking. I'm gathering parts for a '56 F100 rebuild and want to install either a 292 or a 312 Y-block mated to a C-4 automatic. I would like to be able to maintain Interstate speeds and let the wife drive it too. She can't drive a manual transmission but she can change a flat tire! I currently have 2 mid-50's F100's that are done back to as authentic as I can afford, I am a Fordaholic. I am aware that there a different size holes in the base of the 3 bolt carburetors and that ties in with CFM's. I have been looking at the various used intakes that are being offered for sale on the internet, and I can't tell with any certainty which ones have the larger ports to match the larger carbs. I know there is a rear end gear ratio change in my future as well, as both of my current pickups have the original 3.92 Dana 44's. They work great for in town speeds, but I get this sick feeling in my gut when I wind them up past 55 or 60 mph. The '55 has the original 239 V8 with the original Ford-o-matic and the '56 has the original 223 inline 6 with the 3 speed transmission. I'm not into racing the old stuff but I do want them to run and drive with reliability. And I prefer a manual choke like I already have in my pickups.
Last edited by cars2cool; 09-05-2021 at 10:43 PM. Reason: Add information |
09-06-2021, 11:55 PM | #13 | |
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Re: preferred 2 barrel Y-block intake manifold?
Quote:
The Fuel & Temp gauges in a '56 are originally one-year-only parts. The '56 Temp sensor is a larger size than the '57+ versions. You may need to change the Temp sensor bushing in the head to the larger thread size (3/8 NPT) or tap & re-thread the bushing if you use '57+ heads. The '56 gauges & sensors are spec'd to work on a full 12 volts. '57+ uses a small dash mounted voltage regulator just for the gauges (approx 7v). They won't work correctly mixed together. |
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09-05-2021, 09:49 PM | #14 |
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Re: preferred 2 barrel Y-block intake manifold?
The '55 and '56 three bolt manifolds should be the same as far as port size. Only difference I can think of is the '56 manifold has a provision for at warm air tube for automatic choke carbs.
The carburetor determines whether you need a loadomatic distributor, and not the intake manifold. Sal |
09-05-2021, 09:57 PM | #15 |
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Re: preferred 2 barrel Y-block intake manifold?
Look for the 'newer' ones to suit the four bolt style carburettors |
09-06-2021, 05:02 PM | #16 | |
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Re: preferred 2 barrel Y-block intake manifold?
Quote:
Technically, though, you are correct. |
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09-06-2021, 05:26 PM | #17 | |
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Re: preferred 2 barrel Y-block intake manifold?
Quote:
Any-who, the 56 F100 swap shown has a base 302 and an engine mount conversion kit installed if you look closely. The author stated that there was very little power with the 302 so most likely a 239 2V (especially LOAD-O-MATIC) ain't gonna cut it on the highway. This is one of those projects that keeps snow balling, especially if not hawked out and strategized properly. Wait and see what the OP says ...
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09-06-2021, 05:30 PM | #18 | |
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Re: preferred 2 barrel Y-block intake manifold?
Quote:
https://www.eatonbalancing.com/2010/...-distributors/ Now the question is what 239 he has in the truck, a big cam or small cam (DIST DRIVE).
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09-06-2021, 09:00 PM | #19 | |
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Re: preferred 2 barrel Y-block intake manifold?
Quote:
Sal |
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09-05-2021, 10:57 PM | #20 |
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Re: preferred 2 barrel Y-block intake manifold?
will a c-4 bolt up to a 292/312?
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